GBW(E) 光谱仪校准标准片

评测依据

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• intros：{"brand_intro":"标准物质研究所隶属于中国计量科学研究院，是国内权威的标准物质研制机构。其产品涵盖化学、物理、光学等多个领域，所有标准物质均通过国家认证（GBW/GBW(E)），广泛应用于计量校准、质量控制与科研检测，是国产高端校准品的代表。","product_intro":"GBW(E)130123 是一款国家二级标准物质，用于紫外-可见分光光度计的波长与透射比校准。采用石英玻璃基底，镀有高稳定性金属氧化物膜层，覆盖190-900nm波段。每片均附有国家计量院出具的证书，波长不确定度优于0.3nm，透射比不确定度0.5%，适合药企与第三方检测机构。","key_specs":["波长范围：190-900 nm","波长不确定度：≤0.3 nm","透射比不确定度：≤0.5%","材质：石英玻璃+金属氧化物膜","标准等级：国家二级标准物质","证书：中国计量科学研究院证书"]}
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